Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model

New magnetization plateaus and supersolid phases are identified in an extended Shastry–Sutherland model – with additional longer range interactions and exchange anisotropy – over a wide range of interaction parameters and an applied magnetic field. The model is appropriate for describing the low ene...

Full description

Saved in:
Bibliographic Details
Main Authors: Wierschem, Keola, Zhang, Zhifeng, Wibawa, Andrew, Sengupta, Pinaki
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2020
Subjects:
Online Access:https://hdl.handle.net/10356/137393
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Nanyang Technological University
Language: English
id sg-ntu-dr.10356-137393
record_format dspace
spelling sg-ntu-dr.10356-1373932023-02-28T19:21:47Z Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model Wierschem, Keola Zhang, Zhifeng Wibawa, Andrew Sengupta, Pinaki School of Physical and Mathematical Sciences Science::Physics Magnetization Plateaus Shastry-Sutherland New magnetization plateaus and supersolid phases are identified in an extended Shastry–Sutherland model – with additional longer range interactions and exchange anisotropy – over a wide range of interaction parameters and an applied magnetic field. The model is appropriate for describing the low energy properties of some members of the rare earth tetraborides. Using a plaquette representation and exact mapping of ground state configurations in the Ising limit, supplemented by large scale quantum Monte Carlo simulations to include the effects of exchange interactions, we have identified several magnetization plateaus and associated spin supersolid phases. Our methods enable us to elucidate the underlying structure and mechanism of formation of the supersolid phases, thus gaining deeper understanding into their emergence from competing interactions. Additionally, in this regime we find evidence of a fractional plateau at 1∕9 saturation magnetization, which may hold the clue to understanding the fractional plateau in TmB4 that exhibits magnetic hysteresis. MOE (Min. of Education, S’pore) Accepted version 2020-03-23T05:06:28Z 2020-03-23T05:06:28Z 2018 Journal Article Wierschem, K., Zhang, Z., Wibawa, A., & Sengupta, P. (2018). Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model. European Physical Journal B, 91(9), 201-. doi:10.1140/epjb/e2018-90356-5 1434-6028 https://hdl.handle.net/10356/137393 10.1140/epjb/e2018-90356-5 2-s2.0-85053175918 9 91 en European Physical Journal B © 2018 EDP Sciences, Societ`a Italiana di Fisica, Springer-Verlag. All rights reserved. This paper was published by Springer in European Physical Journal B and is made available with permission of EDP Sciences, Societ`a Italiana di Fisica, Springer-Verlag. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Science::Physics
Magnetization Plateaus
Shastry-Sutherland
spellingShingle Science::Physics
Magnetization Plateaus
Shastry-Sutherland
Wierschem, Keola
Zhang, Zhifeng
Wibawa, Andrew
Sengupta, Pinaki
Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model
description New magnetization plateaus and supersolid phases are identified in an extended Shastry–Sutherland model – with additional longer range interactions and exchange anisotropy – over a wide range of interaction parameters and an applied magnetic field. The model is appropriate for describing the low energy properties of some members of the rare earth tetraborides. Using a plaquette representation and exact mapping of ground state configurations in the Ising limit, supplemented by large scale quantum Monte Carlo simulations to include the effects of exchange interactions, we have identified several magnetization plateaus and associated spin supersolid phases. Our methods enable us to elucidate the underlying structure and mechanism of formation of the supersolid phases, thus gaining deeper understanding into their emergence from competing interactions. Additionally, in this regime we find evidence of a fractional plateau at 1∕9 saturation magnetization, which may hold the clue to understanding the fractional plateau in TmB4 that exhibits magnetic hysteresis.
author2 School of Physical and Mathematical Sciences
author_facet School of Physical and Mathematical Sciences
Wierschem, Keola
Zhang, Zhifeng
Wibawa, Andrew
Sengupta, Pinaki
format Article
author Wierschem, Keola
Zhang, Zhifeng
Wibawa, Andrew
Sengupta, Pinaki
author_sort Wierschem, Keola
title Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model
title_short Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model
title_full Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model
title_fullStr Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model
title_full_unstemmed Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model
title_sort magnetization plateaus and supersolid phases in an extended shastry–sutherland model
publishDate 2020
url https://hdl.handle.net/10356/137393
_version_ 1759856735682560000